Počet záznamů: 1
Statistical method for determination of the specific surface of powders and bulk materials
0333443 - UGN-S 2010 RIV CZ eng J - Článek v odborném periodiku
Jandačka, P. - Hlaváč, L. - Uhlář, R. - Mádr, V. - Vašek, Jaroslav
Statistical method for determination of the specific surface of powders and bulk materials.
Sborník vědeckých prací Vysoké školy báňské - Technické univerzity Ostrava. Roč. 55, č. 1 (2009), s. 125-130 ISSN 1210-0471
Výzkumný záměr: CEZ:AV0Z30860518
Klíčová slova: ideal particle surface * bulk materials * powders
Kód oboru RIV: JI - Kompozitní materiály
Calculation methods for determination of specific surface of powders and bulk materials often followed approximation of the ideal particle surface, most often the smooth sphere. During calculation of the specific powder surface the character of the probability distribution that controls the size of powder particles is not taken into account. This is the logarithmic-normal distribution. Usually, even the dispersion of particle sizes from the average size is not taken into account, in spite of the fact that the average particle size does not correspond to the particle size belonging to the average or volume. The current status of these problems is described in this article. The mentioned shortcoming in the calculation of the specific surface of powder particles can be eliminated by the method of calculation that uses the statistical-mathematical tools suggested by the authors of this article.
Trvalý link: http://hdl.handle.net/11104/0178421